Ⅰ．单句语法填空
1．(2020·新课标卷Ⅰ)Landing on the moon’s far side is __extremely (extreme) challenging.
解析：考查副词。句意：登录月球的背面是极其有挑战性的。空处修饰形容词challenging，应使用extreme的副词形式。故填extremely。
2．(2020·新课标卷Ⅰ)Data about the moon’s composition, such as how __much ice and other treasures it contains, could help China decide whether its plans for a future lunar (月球的) base are practical.
解析：考查形容词。句意：关于月亮构成的数据，比如它含有多少水和其他财富，可以帮助中国决定它未来月球基地的计划是否实用。ice是不可数名词，应使用much修饰。故填much。
3．(2020·新课标卷Ⅱ)Bamboo: Chinese love their “Lucky Bamboo” plants and you will see them often in their homes and office. __Certainly (certain) during the holiday period, this plant is a must.
解析：考查副词。句意：当然在假期期间，这种植物是绝对必要的事物。介词短语做时间状语，因此只有改变成副词才能符合句子结构，用副词形式做状语。故填Certainly。
4．(2020·新课标卷Ⅱ)Branches of Plum Blossoms (梅花): The __beautiful (beauty) long branches covered with pink-colored buds (蓓蕾) make fantastic decorations.
解析：考查形容词。句意：美丽的长枝上覆盖着粉红色的花蕾，做成漂亮的装饰。修饰名词branches，用形容词形式。故填beautiful。
5．(2020·新课标卷Ⅲ)One day the emperor wanted to get his portrait (画像) done so he called all great artists to come and present their __finest (fine) work, so that he could choose the best.
解析：考查最高级。句意：一天，皇帝想让人给他画一幅肖像，于是他把所有伟大的画家都请来，展示他们最好的作品，以便他挑选最好的。结合句意，皇帝想要画家最好的作品，表示“最好的”此处应用形容词最高级finest。故填finest。
